<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        <style>
        *{
            margin: 0px;
            padding: 0px;
            list-style: none;

        }
        .header{
            height: 66px;
            background:lime;


        }
        .banner{
            width: 1212px;
            height: 513px;
            background:lime;
            margin: 28px auto 25px;
        }
        .menu{width: 1212px;
              height: 1000px;
              height: 38px;
              background:lime;
              margin: ;

        }
        .header .left{
                float: left;

        }
        .header .nav{
            float: left;
        }
        .header .right{

            float: right;
        }
        .banner .left{


        }
        .banner .right li{
            width: 298px;
            height: 163px;
            margin-bottom: 12px;
            background:red;
            overflow: hidden;
            position: relative;
        }
        .banner .right img{

        }
        .banner .right p{

        }

        </style>





    </head>
    <body>
        <div class="herdee">
            <span class="left">三</span>
            <ul class="nav">
                <li></li>
                <li></li>
                <li></li>
                <li></li>
            </ul>
            <span class="right">登陆</span>

        </div>
        <div class="banner">
            <img src="images/00.png" alt="" class="left">
            <ul class="right">
                <li></li>
                <li></li>
                <li></li>
            </ul>
        </div>
        <ul class="menu"></ul>
        <ul class="list"></ul>
        <p></p>



    </body>
</html>